Nastassja Tanaka is a member of the resistance organization known as Garanndoll, which operates in a Japan that has been subjugated by the parallel world of Shinkoku Nippon. Physically, she is recognized by her short green hair and black eyes. Her role within the group centers on her exceptional abilities as a hacker and her technical expertise with machines, making her an invaluable asset to the team’s operations. She approaches problems with a curious and adventurous mindset, always eager to explore new areas and uncover hidden secrets. Her intelligence and resourcefulness allow her to devise creative solutions to complicated challenges, and her quick thinking often proves crucial in high-stakes situations.

Despite her technical prowess, Nastassja carries a dignified demeanor that suggests a maturity beyond her years, yet she occasionally reveals a more childish side, such as a fondness for sweets. Her core motivation is to completely overthrow the rule of Shinkoku and restore Japan’s cultural freedom, a goal she pursues with fierce independence. She is openly defiant of anyone who tries to control her, declaring herself a challenger with no interest in being a pawn. This rebellious streak drives her to take risks and push boundaries. At the same time, she is deeply loyal to her friends and comrades, willing to put herself in danger to protect them and to do whatever is necessary to achieve her objectives. Her determination and courage are among her most notable traits, and they make her a reliable and steadfast member of the Garanndoll team. While her background before joining the resistance is not extensively detailed, her actions throughout the story demonstrate a strong-willed individual who combines analytical thinking with a passionate commitment to her cause.